1030987 has 2 divisors, whose sum is σ = 1030988. Its totient is φ = 1030986.

The previous prime is 1030957. The next prime is 1030993. The reversal of 1030987 is 7890301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1030987 - 2¹¹ = 1028939 is a prime.

It is an alternating number because its digits alternate between odd and even.

1030987 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1030957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515493 + 515494.

It is an arithmetic number, because the mean of its divisors is an integer number (515494).

2^1030987 is an apocalyptic number.

1030987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030987 is an equidigital number, since it uses as much as digits as its factorization.

1030987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1030987 is about 1015.3753000738. The cubic root of 1030987 is about 101.0224111298.

The spelling of 1030987 in words is "one million, thirty thousand, nine hundred eighty-seven".